Improvement in coffee-roasters



PATENT OFFICE.

DANIEL D. MARTIN, OF GINCINNATI, OHIO.

IMPROVEMENT IN COFFEE-ROASTERS.

Specification forming part of Letters Patent No. 121,292, dated November28, 1871.

4 tus is adapted to fit varying sizes of stove openings.

Figure 1 is a perspective view of my improved cofi'ee-roaster. Fig. 2 isa cross-section of the case and cylinder through the axis of therevolving cylinder. Fig. 3 is a section through the revolving cylinderat right angles to the axis.

A is the exterior case, and B the-revolving cylinder for containing thecoffee. The case is divided horizontally a little above the cylinderaxis, the upper part being hinged to fold back to permit of theintroduction of coffee to the cylinder and the removal bodily of thecylinder from the case. The lower part of the case consists of therectangular portion a fitting the cylinder, the crowning orconcavo-convex portion a', the widely-projecting flange a, and thedownwardly-proj ecting flange or ring al. The flange a in connectionwith the flange a' serve to enable the roaster to fit any size stoveopening, the flange a' preventing the uncovering of the opening in thestove when the roaster is drawn to- Ward the operator. A bale or wiremay be attached to the case to steady it While the cylinder is beingrevolved, the bail or wire being held in the hand a short distance fromthe roaster. The cylinder B is provided with a gate, b, either hinged orsliding, to permit the introduction and removal of the coffee. It isalso fitted inside with centrally-projecting blades b', which aredesigned to cause a thorough mixing of the coffee (during the operationof roastin g) by turning the collection of berries over and over. Thecylinder is journaled in the case A in the manner shown, and has acrank, b, attached, by Which, With or Without the use of a rod orpitman, O, it may be rotated. When the cylinder is in place in the casethe portion a/ of the case projects so far above the stove top that agreat amount of the surface of the cylinder both on the periphery and onthe sides is exposed to the direct heat from the stove.

I claim- The herein-described case a for supporting and inclosing thecoffee-cylinder, constructed with widely-proj ecting flange a,concavo-conv ex projections a', and downward projection al, as and forthe purpose specified.

In testimony of which invention I have hereunto set my hand.

DANIEL D. MARTIN.

Witnesses D. D. MORRIS,

